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128K Guru requiredThe answer eludeth me, and I seeketh a higher knowledge! I'm in the process of putting together a very simplistic emulation testbench of my laptop s…
... eight 16K chunks, the test uses a different border colour ... 48K ROM in a Spectrum 128 is not the same ... 48K. There is a routine at $3c04 in ROM ... ROM 0 on startup. This routine lies in "spare space", ... $38, calling the interrupt routine over and over again...
Integer RangesOK, I need a little help clarifying something. I am making good progress with the emulator so far - I've emulated most ADD, INC, DEC commands (as we…
... /> As I'm about to start emulating the SUB commands I ... of an 8-bit register -128 to +127? Does this hold ... 127.
Only here you test on bit 7 to determine ...Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …
... ROM version works on a 128 Spectrum. It certainly won't ... you have another Spectrum to test the interface on? If so ... turned off!!) do the keys start to work on the Spectrum ... as ZX Interface 1) to test on your Spectrum? If so ...VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... EQU $FFE4
; init routine
ORG 5120
STA PTR2
LDA #128
STA PTR1+1
; set PTR1 to start of SPRITE data
LDA ...Retro-X Alpha availableChanges from WIP 7 (Alpha 3) to Alpha 4 ( 1.5.08 - 14.5.08 ). Requested by and help by - in brackets. Bugfixes: * Viewer: o File list not displaye…
Right, I can't test the new painter as it ... bug in the ellipse/circle routine, which might well extend to ... the drawing canvas, you'll start a new circle.
VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... positions
; PTR3 points to start of the screen colour nybbles ... EQU $FFE4
; init routine
ORG 5120
STA PTR2
LDA #128
STA PTR1+1
; set PTR1 to start of SPRITE data
LDA ...Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…
... start of the video file, and having my player routine ... as you don't start deleting and overwriting files ... .
My routine's using delta compression, and ... a table of (say) 128 LDI instructions (or actually INI ... can't use the 128's second screen as a ...RGB on speccy ?hi, just a question : are you aware of scene demo trying emulate rgb ? i was a bit ill last few days so laying in bad i come with a (stupid ?) idea.…
... 128 would be able to do a full-width "Color Draw" routine ... attribute data per scanline. 128 screen paging does help ... graphics mode on a 128 - the one where ... attribute data between the start of line 2 and ... fully general Color Draw routine isn't required.)Help! USR 0 mode?Right, first of all, I know that this is in the wrong forum, and secondly it's maybe against the TOS anyway, as it's just asking people to read and p…
... , the RAM Testing routine called at the start fills the entire available ... " and then with "00" to test if RAM is 16K or ...Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... br /> LD (StartAddr),HL ; Save start address
;Set ...
;Inversion Pattern Test
LD IX,PatternTable
; Simplified version of library routine
; This version - ... /> DB "LOOP $0000 - Test Passed",0
String4
So you want to make a cardgame......but you haven't got a good deck to display. Well here is a fully relocatable routine that will do the job for you. Place the code anywhere in me…
...
start LD HL,14
ADD ... br /> RET NC ; test on out of screen ... /> chars DEFB 255,128,140,158,191,191 ...Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …
... ]The following is one small routine to educate myself on a ... memory
ld hl, 0 ; start searching at address 0
[COLOR=DimGray]; ... test for bc==0 here[/COLOR ...Assembler snippetsI was just thinking that a thread for small but useful assembler snippets to do useful things would be cool for people learning z80 coding. Not to me…
... start ... routine ... test
LD C,60 ; test seconds
CALL test
CALL test ; test ...25 years with the SpectrumTo paraphrase JFK, ask not what your Spectrum can do for you, but what you can do for your Spectrum. Well I've done quite a bit since I joined the sc…
... locked threads or posts that start a thread. You might ...
* Translated the Spanish 128 ROMs into English
* ... * Timex ROMs - Timex/Amstrad
* 128 Editor - Sinclair/Timex/Amstrad/Nine ... the test code in the 48 BASIC ROM from the 128 ( ...DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…
... to correct value:
TEST DI
LD A,xxxxxxx0 ... allram off
LD A,128
OUT (227),A ;connect ... /> LD A,(8192)
CP 128
JR NZ,NODIVIDE ;divide ... memory
RET
Routine return flag Z if divide ...+3 BASIC and RST 8I've been working on adding commands to the BASIC interpreter, in a similar style to how Interface 1 does it (catch the RST 8 error trap). This works…
... exactly the case. In the 128 machines (Mk I - Spanish, Mk ... support, UDG printing, and test card (no test card in the Mk ...
preserve error states
test for new commands
set ... back to original RST 8 routine
no testing requiredSinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... Fonts:
[CODE]
goto start
Fontdata:
asm
128,000
DEFB 124,198 ... />
start:
poke uinteger 23606,@Fontdata-256
Print "Test"
Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... ]
start:
poke uinteger 23606,@Fontdata-256
Print "Test"
routine is used, but jumping into ...Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... will still work on 128 models in 48 mode without ... make_room equ 0x1655 ; create buffer routine
strms equ 0x5c10 ; ... de ; the difference between the start of
; the channels ... ld sp,colour_map+(16*pixel_row)+(128*char_row) ; set the stack ...Help loading OPUS data block ?Hi folks, A while back I obtained a Daton Software Card Games compilation which will be in the next Vault update: http://www.worldofspectrum.org/inf…
... ensures
that 128 bytes are read from sector ... 0 has an improper length (128 )
3. Physical ... used for forcing a decoding routine to run.
the start as a random access file ... /> an added POKE 23377,128 statement following the CLOSE # ...Full .TAP file loading over the networkDevelopment of the Spectranet ROM modules continues... Courtesy of the new filesystem layer, the experimental TNFS (Tiny Network Filesystem), and th…
... than #556, so your routine must start somewhere else too.[/QUOTE]
test stock for the TAP file ...Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…
... that I wrote the routine just as a test to see whether ... is no time out when start pulses fail to come. Under ...Russian Translations...As i have once again been reminded (by the "Homebrew games" thread), there are some funky looking Russian games that I can't play due to not understa…
... completed, it enters an animated routine with graphical effects, which takes ... again. The "game won" graphical routine was crashing in an earlier ... through, I really need to test it again in the final ... /> What I'll do is start playing the game through again ...+2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …
... WOS work on all 128 models in 128 basic and USR 0 ... WOS work on all 128 models only in 128 basic.
I ... convert TZX version to TAP, please test ... problem in this game - after start game is set I register ...z80 program to BASIN?I have a BASIC program with UDG:s loaded in a z80 snapshot file. I would like to edit the program with Basin, but I wonder what must be done before…
... DATA statements with a POKE routine. To do this, load the ... to you) and set the start to a line number you ... DATA statements, with a POKE routine to get them into memory ... when you're ready to test in an emulator.
The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... show screen begore loading and start game. TAP loading is ... ). Cursor keys is better test without shift (only keys ... ,6,7 as in FATWARE 128 )
- possibility ... />
CONTROLS IN FATWARE 128
---------------------------
NMI - ...
